Crompton Instruments SC Series Catalog

Specifications

System voltage 720V (0.72kV) maximum

Test voltage 3kV for 1 minute

System frequency 50/60Hz

Insulation class E

Overload withstand 1.2 times rated current continuously

Short circuit thermal 100 x rated primary for 1 second

Operating temperature 20˚C to 70˚C

Relative humidity 0-90% (non condensing)

Compliant with IEC 60044-1, BS7626

Accuracy Class 3, 1 & 0.5

Mounting hardware Plug-in metal feet for wall or base

mounting or moulded busbar mounting

Rated dynamic current = 2.55 x lht

Enclosure Flame retardant grade classified UL 94V-O

A range of split core current transformers that offers a cost
effective and efficient method by which the current can be
measured without the need to break the conductor, thereby
reducing installation and commissioning time.

Crompton Instruments SC Series
Split Core Current Transformers

Features

• High quality comprensive
measurements

• Available in a wide range of
transformer ratings

• Accuracy up to Class 0.5

• Foot or Busbar mounted

Benefits

• Faster installation

• Cost effective

• Long product life

Applications

• Switchgear

• Distribution systems

• Generator Sets

• Control

Energy Division

Accuracy Class

Part Number Ratio Burden VA against class index Aperature (mm)

0.5 1 3

SC1-100/5A 100/5A - - 1.5 20 x 30

SC1-150/5A 150/5A - - 2 20 x 30

SC1-200/5A 200/5A - 1.5 2.5 20 x 30

SC1-250/5A 250/5A - 2 4 20 x 30

SC1-300/5A 300/5A 1.5 4 6 20 x 30

SC1-400/5A 400/5A 2.5 6 10 20 x 30

SC2-250/5A 250/5A 1 2 4 50 x 80

SC2-300/5A 300/5A 1.5 3 6 50 x 80

SC2-400/5A 400/5A 1.5 3 10 50 x 80

SC2-500/5A 500/5A 2.5 5 15 50 x 80

SC2-600/5A 600/5A 2.5 5 15 50 x 80

SC2-750/5A 750/5A 3 6 20 50 x 80

SC2-800/5A 800/5A 3 7.5 20 50 x 80

SC2-1000/5A 1000/5A 5 10 20 50 x 80

SC3-250/5A 250/5A 1 2 4 80 x 80

SC3-300/5A 300/5A 1.5 3 6 80 x 80

SC3-400/5A 400/5A 1.5 3 10 80 x 80

SC3-500/5A 500/5A 2.5 5 15 80 x 80

SC3-600/5A 600/5A 2.5 5 15 80 x 80

SC3-750/5A 750/5A 3 6 20 80 x 80

SC3-800/5A 800/5A 3 7.5 20 80 x 80

SC3-1000/5A 1000/5A 5 10 20 80 x 80

SC4-500/5A 500/5A - 4 12.5 80 x 120

SC4-600/5A 600/5A - 5 15 80 x 120

SC4-750/5A 750/5A 2.5 6 17.5 80 x 120

SC4-800/5A 800/5A 3 7.5 20 80 x 120

SC4-1000/5A 1000/5A 5 10 20 80 x 120

SC4-1200/5A 1200/5A 6 12.5 25 80 x 120

SC4-1250/5A 1250/5A 7.5 15 30 80 x 120

SC4-1500/5A 1500/5A 8 17 30 80 x 120

SC4-1600/5A 1600/5A 8 17 30 80 x 120

SC5-1000/5A 1000/5A 10 15 20 80 x 160

SC5-1250/5A 1250/5A 10 15 20 80 x 160

SC5-1500/5A 1500/5A 15 20 25 80 x 160

SC5-2000/5A 2000/5A 15 20 25 80 x 160

SC5-2500/5A 2500/5A 15 20 25 80 x 160

SC5-3000/5A 3000/5A 20 25 30 80 x 160

SC5-4000/5A 4000/5A 20 25 30 80 x 160

SC5-5000/5A 5000/5A 20 25 30 80 x 160

SC5-6000/5A 6000/5A 20 25 30 80 x 160

Case 1Case 2Case 3Case 4Case 5

Crompton Instruments SC Series
Split Core Current Transformers